密码学是关于在存在对手的情况下进行通信的。
Cryptography is about communication in the presence of adversaries.
A great artist can make the invisible visible.
君子容易事奉，但要想讨得他的喜欢则很难。以不正当的方式讨他喜欢，他是不会喜欢的；但他在用人上，却能做到量才使用。小人难以事奉，但要想博得他的欢心则很容易。如果以不正当的手段讨他喜欢，他是会喜欢的；但当他用人时，则会求全责备。
And when your stomach is empty and your mind is full,it's always hard to sleep.
位置测量越精确，动量测量就越不精确，反之亦然。
In business, as in life, you don't get what you deserve, you get what you negotiate.
The collective is more important than the individual in architecture.